3(a-7)-5a=4a-13

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Solution for 3(a-7)-5a=4a-13 equation: 



3(a-7)-5a=4a-13

We move all terms to the left:

3(a-7)-5a-(4a-13)=0

We add all the numbers together, and all the variables

-5a+3(a-7)-(4a-13)=0

We multiply parentheses

-5a+3a-(4a-13)-21=0

We get rid of parentheses

-5a+3a-4a+13-21=0

We add all the numbers together, and all the variables

-6a-8=0

We move all terms containing a to the left, all other terms to the right

-6a=8

a=8/-6

a=-1+1/3

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